#!/bin/sh
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

. /etc/sysconfig/rc
. ${rc_functions}

# Optionally load the configuration file
if [ -r "/etc/sysconfig/arpwatch" ]; then
	. /etc/sysconfig/arpwatch
fi

case "${1}" in
	start)
		args=(
			-D /var/lib/arpwatch
		)

		# Add the watcher
		if [ -n "${WATCHER}" ]; then
			args+=( "-w" "${WATCHER}" )
		fi

		# Add the watchee
		if [ -n "${WATCHEE}" ]; then
			args+=( "-W" "${WATCHEE}" )
		fi

		for intf in ${INTERFACES}; do
			boot_mesg "Starting ARP Watch on ${intf}..."

			# Create the data file for this interface
			if [ ! -e "/var/lib/arpwatch/${intf}.dat" ]; then
				: > "/var/lib/arpwatch/${intf}.dat"
			fi

			PIDFILE="/var/run/arpwatch-${intf}.pid" \
			loadproc -f \
				/usr/sbin/arpwatch "${args[@]}" \
					-P "/var/run/arpwatch-${intf}.pid" \
					-f "/var/lib/arpwatch/${intf}.dat" \
					-i "${intf}"
		done
		;;

	stop)
		for intf in ${INTERFACES}; do
			boot_mesg "Stopping ARP Watch on ${intf}..."
			PIDFILE="/var/run/arpwatch-${intf}.pid" \
				killproc /usr/sbin/arpwatch
		done
		;;

	restart)
		${0} stop
		sleep 1
		${0} start
		;;

	*)
		echo "Usage: ${0} {start|stop|restart}"
		exit 1
		;;
esac
